期刊
APPLIED PHYSICS LETTERS
卷 94, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3147866
关键词
light emitting devices; organic compounds; phosphorescence
资金
- National Science Council, R. O. C. [NSC 96-2221-E-002-126, NSC 97-2221-E-002-056]
- Chung-Shan Instititute of Science and Technology of the Republic of China
- Ministry of Education, Republication of China
In this paper, we demonstrated a blue phosphorescent organic light-emitting device (OLED) with a higher current-efficiency and a lower driving-voltage using conventional iridium(III)bis[4,6-(di-fluorophenyl)-pyridinato-N,C2(')] picolinate (FIrpic) doped in the double emitting layer (DEML), which consists of a hole- and an electron-transporting material, N,N-'-dicarbazolyl-3,5-benzene (mCP) and 2,2(')-bis[5-phenyl-2-(1,3,4)oxadazolyl]biphenyl (OXD), respectively. Compared to OLEDs with only single mCP- and OXD-EML, current-efficiency of the optimized DEML-OLED increases by 30.82% and 141.37%, combining with a voltage reduction of 0.34 and 0.59 V at 50 mA/cm(2), which comes from the better charge balance in DEML.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据